188140351380 has 24 divisors (see below), whose sum is σ = 526792984032. Its totient is φ = 50170760352.

The previous prime is 188140351379. The next prime is 188140351393. The reversal of 188140351380 is 83153041881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1567836202 + ... + 1567836321.

It is an arithmetic number, because the mean of its divisors is an integer number (21949707668).

Almost surely, 2^188140351380 is an apocalyptic number.

188140351380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

188140351380 is an abundant number, since it is smaller than the sum of its proper divisors (338652632652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

188140351380 is a wasteful number, since it uses less digits than its factorization.

188140351380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135672535 (or 3135672533 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 188140351380 in words is "one hundred eighty-eight billion, one hundred forty million, three hundred fifty-one thousand, three hundred eighty".